Spanx's 'Undie-tectable' briefs have a wide bonded waistband that smooths and shapes your stomach. Cut from stretch-jersey, this set of two is lined in comfortable cotton and has elastic-free edges so you won't see any lines under fitted dresses and skirts. Shown here with: [Calvin Klein Underwear Bra id618510], [Ileana Makri Bracelets id801142].